【課件】內(nèi)眥贅皮的矯正開眼角

內(nèi)眥贅皮的矯正開眼角研究意義眼睛的功能視覺器官表達情感的重要器官，流露出心靈深處極為豐富、細致的情感。外在美的重要標志，在面部美學中具有重要的作用。內(nèi)眥贅皮的影響內(nèi)眥贅皮是內(nèi)眥角前方呈斜向或垂直向分布的半月形皮膚蹼狀皺襞，在亞洲人群中發(fā)生率約為50%。內(nèi)眥贅皮使正常內(nèi)眥角被掩蓋，眼裂變短，兩眼間距過寬，嚴重影響眼部的美觀。重度內(nèi)眥贅皮遮擋部分視野。CompanyLogo研究進展內(nèi)眥贅皮的形成原因內(nèi)眥部眼輪匝肌肌纖維的錯位內(nèi)眥部皮膚在垂直方向的張力過大常見手術(shù)方法橫切縱縫法、mustarde法、V-W成形、鼻側(cè)腱膜固定、z成形、Y-V推進等CompanyLogoY-Vadvancement

Epicanthoplasty

F.C.Li2008年P(guān)ointaismarkedontheedgeoftheepicanthalfoldatthelevelofthemid-caruncle.Frompointa,ahorizontallineisdrawnmediallyontheoutersurfaceoftheepicanthalfolduptopointb.thenasalskinispulledmediallytocompletelyexposethelacrimallake.Frompointa,twolinesaremade.Thelineontheuppereyelidcorrespondswiththeplannedlineforthedoubleeyelidfold.Thelineonthelowereyelidlocatesalongthelowereyelidborder.CompanyLogopalpebralmarginincision

Epicanthoplasty

WenChen2009年P(guān)ointAwasmarked1mmmedialtothelacrimallake.ExtendingfrompointA,twolinesalongtheciliarymarginsweremarked.ThelengthsofAB(supraciliary)andAC(subciliary)weremade5mmand2mm.IncisionsweremadealongABandAC.Bycuttinganddissectingthedenseconnectivetissuelocatedbetweenskinandorbicularisoculimuscleinthemedialcanthalarea.Doubleeyelidplastywasthenperformed.Afterthedoubleeyelidplastyprocedure,theendpointofthedoubleeyelidfoldinthemedialcanthuswasmarkedasA’.CompanyLogoThelinefrompointAtoA’wasincisedandthepointAwassuturedtopointA’.Theexcessiveskinofthemedialcanthusinthesubciliarywastrimmedoffalongthesubciliaryincision.CompanyLogoInvertedV-Y

advancement

Epicanthoplasty

LiQiangLiu

2011年P(guān)ointAismarkedintheapexofthecarunculafornixjustneartheskinemucosaljunctionwhilethemedialsemilunarskinispulledmediallytoexposethelachrymallake.PointB

islocatedatthenewdesiredmedialcanthusandisprojectedontothesurfaceofthemedialsemilunarskinwheninthenaturalstateoftension.PointCislocatedatthesupralateraledgeofthesemilunarskinbymakingthelengthofACequaltothatofBC.LinesAC,BCandABformaverticalinverseV-shapedskinflap.PointDisonthesubciliaryline,thelengthofADcanbeadjustedbytheextensionoftheinverseV-shapedskinflap.CompanyLogotheverticalV-shapedskinflapiselevatedbysharpdissectionintheplanesuperficialtotheorbicularisoculimuscle.Theexcisionoftheunderlyingorbicularisoculimusclesshouldbeindividualised,continuingtounderminethebaseoftheV-shapedflap.TheverticalinverseVflapwasreleasedfullyandretractedtotheinferiorareaof“bd”line.PointsBandAaresuturedtogetheronthemedialcanthus.ThetipoftheVflapsuperiortotheleveloflineBDistrimmed.CompanyLogo我的方法術(shù)前術(shù)